wwd5613 opened a new issue #1233: bug: route by radixtree_host_uri Stress Testing cannot reach expect URL: https://github.com/apache/incubator-apisix/issues/1233 ### I set 10 to 5000 route with host,like { "uri": "*", "hosts": ["www.websockettest1.com"], "vars":[["server_port","==","80"]], "upstream": { "type": "roundrobin", "nodes": { "172.28.73.60:80": 1 } } } and set config.yaml router: http: 'radixtree_host_uri' ### Environment * apisix version (cmd: `apisix version`): 1.0 * OS: Centos7.4 8c16g ### Minimal test code / Steps to reproduce the issue 1.wrk -t16 -c200 -d300s -T300s --latency --script=get500.lua http://www.websockettest1/test?a=123 2.get500.lua wrk.method = "GET" wrk.host = "www.testwaf1.com" wrk.headers["Content-Type"] = "application/x-www-form-urlencoded" wrk.headers["Accept-Encoding"] = "gzip, deflate" wrk.headers["Accept-Language"] = "zh-CN,zh;q=0.9" wrk.headers["Cache-Control"] = "no-cache" wrk.headers["Connection"] = "keep-alive" --wrk.headers["Connection"] = "close" wrk.headers["Cookie"] = "JSESSIRE45ONID=988051FA6F8638AD356HY0FC40DEB861604F677676GHG878123EDGTE1245; name=%22wuwng%22" wrk.headers["Host"] = "www.websockettest1" wrk.headers["Referer"] = "http://www.websockettest1/"; wrk.headers["User-Agent"] = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36" wrk.headers["Pragma"] = "no-cache" ### What's the actual result? (including assertion message & call stack if applicable)  Stress Testing Contrast： tps of source site is 16W, tps of source site pass by apisix is 7W and cpu is near 100% with 20% sys cost.  and Flame Graphs is as follow  ### What's the expected result? tps can be higher
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